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A brief history of primary coding languages
From Lisa Clascal, used until the Mac got its own development environment in MPW and Object Pascal, to Swift, Apple has changed direction every decade.
Lisa Pascal was therefore developed into Clascal, dividing code into distinct interface and implementation sections, with classes, subclasses, methods and inheritance. With this, they also developed the first version of the MacApp class library that provided a framework to support common application features including the Mac’s GUI. After MCL drifted off into oblivion, LispWorks’ cross-platform implementation of ANSI Common Lisp took over, and remains thoroughly mature and productive, with extensive browsing facilities, debugging, and more.
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